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Dairy Cattle And Reproduction

Subjects : industries, dairy
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Cleans and lubricates the urethra. secretion is thick - viscous - and very slippery.

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2. Start of the reproductive tract for the female. located outside of the body






3. Organ of copulation - provides passageway for semen and urine - muscular organ characterized especially by its spongy - erectile tissue that fills with blood






4. Help to signal hormone levels which we need both in the brain right next to each other.






5. Check feet and legs - look for masculine traits in build such as crest and muscling






6. (male) pushes the testes upward toward the body for warmth or protection






7. (FSH) helps to regulate puberty - needed every day - stimulates the sertoli cells to produce nutrients for the sperm






8. 336 days






9. 10-37 (21) days






10. ~60 days before calving






11. 1. brain function - 2. blood flow - 3. willing female






12. Examine accessory glands - also to know how big the pelvic opening is->heritable->relates to how much dystocia that bull's daughter has






13. Provide nourishment for the developing sperm






14. Milk ~305 days - dry 60 days prior to calving






15. 19-23 (21) days






16. Way to know everything is alright with the breeding male






17. BST given to dairy cattle makes the mammary gland more persistent - helps produce more milk. good as Long-term because it does not cause cow to bulk up - provides more milk/cow Which means less cows needed - less cows need to be given feed - lower co






18. 1. reproduction - 2. mastitis/udder problems - 3. low milk production - 4. soundness/poor feet and legs (living on concrete)






19. (from Jersey Islands in Great Britain) Smallest cow - least milk - highest butterfat %






20. 4-6 days






21. 1. brain function - 2. blood flow - 3. willing female






22. (from Jersey Islands in Great Britain) Smallest cow - least milk - highest butterfat %






23. (male) Primary sex organ - produces sperm (male gamete) and male sex hormones - 2 total






24. Why Dairy calves are fed powdered milk.






25. Knife-loose ~1wk of growth. band-loose ~2wks of growth.






26. 2 month growth cycle. stored in the epididymis of the bull






27. Earlier you castrate a male - the easier it is on the animal. the longer you wait - death rates increase






28. Not being bred back into herd. horses are seasonal breeders vs. cows as anytime breeders






29. Cleans and lubricates the urethra ahead of the sperm. (if not - the urine in the urethra has a high salt content and would cause sperm to rupture and die)






30. 26 hours after estrus begins






31. Front feet and head first. (except for hogs and dogs)






32. What makes the milk flow through the mammary glands?






33. Urinary calculi.






34. Boars and stallions-> deliver semen directly into the cervix. bulls and rams-> deliver semen into the vagina.






35. Scar tissue plugs up chambers of udder






36. Prevent the cow from getting an infection from the calve






37. The more stressed out the male is - the less sperm he is going to produce






38. Scar tissue plugs up chambers of udder






39. 336 days






40. Constitute 50-90% of the volume of the ejaculate. (3 glands total: seminal vesicles - prostate gland - cowper's gland)






41. ~305 days (altough often longer due to breeding difficulties)






42. 1. to eliminate breeding the females at an early age - 2. makes animals less lean and provides a better cut for the market






43. Cycle that lasts weeks (ovulation->hormone cycles->ovulation)






44. Depository for semen during insemination. where urine leaves the body






45. Way to know everything is alright with the breeding male






46. Hold the penis in the bulls body when not in use. releases penis before ejaculation or urination.






47. When she is pregnant in her last trimester because she needs the energy to carry around and deliver the calf. and when the calf is born because the cow needs the fat to be deposit it into her milk for the calf's energy stores.






48. Prevent the cow from getting an infection from the calve






49. FEED






50. Provide nourishment for the developing sperm







Sorry!:) No result found.

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